xref: /llvm-project/llvm/test/CodeGen/X86/vector-shuffle-combining-avx512vbmi.ll (revision 9aa70419b8834b1468f19f3515d91245133cb5e7) 
1; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
2; RUN: llc < %s -mtriple=i686-unknown -mattr=+avx512vbmi,+avx512vl | FileCheck %s --check-prefixes=CHECK,X86
3; RUN: llc < %s -mtriple=x86_64-unknown -mattr=+avx512vbmi,+avx512vl | FileCheck %s --check-prefixes=CHECK,X64
4
5declare <16 x i8> @llvm.x86.avx512.mask.vpermi2var.qi.128(<16 x i8>, <16 x i8>, <16 x i8>, i16)
6declare <16 x i8> @llvm.x86.avx512.mask.vpermt2var.qi.128(<16 x i8>, <16 x i8>, <16 x i8>, i16)
7declare <16 x i8> @llvm.x86.avx512.maskz.vpermt2var.qi.128(<16 x i8>, <16 x i8>, <16 x i8>, i16)
8
9declare <32 x i8> @llvm.x86.avx512.mask.vpermi2var.qi.256(<32 x i8>, <32 x i8>, <32 x i8>, i32)
10declare <32 x i8> @llvm.x86.avx512.mask.vpermt2var.qi.256(<32 x i8>, <32 x i8>, <32 x i8>, i32)
11declare <32 x i8> @llvm.x86.avx512.maskz.vpermt2var.qi.256(<32 x i8>, <32 x i8>, <32 x i8>, i32)
12
13declare <64 x i8> @llvm.x86.avx512.mask.vpermi2var.qi.512(<64 x i8>, <64 x i8>, <64 x i8>, i64)
14declare <64 x i8> @llvm.x86.avx512.mask.vpermt2var.qi.512(<64 x i8>, <64 x i8>, <64 x i8>, i64)
15declare <64 x i8> @llvm.x86.avx512.maskz.vpermt2var.qi.512(<64 x i8>, <64 x i8>, <64 x i8>, i64)
16
17declare <16 x i8> @llvm.x86.ssse3.pshuf.b.128(<16 x i8>, <16 x i8>)
18declare <32 x i8> @llvm.x86.avx2.pshuf.b(<32 x i8>, <32 x i8>)
19declare <64 x i8> @llvm.x86.avx512.mask.pshuf.b.512(<64 x i8>, <64 x i8>, <64 x i8>, i64)
20
21define <16 x i8> @combine_vpermt2var_16i8_identity(<16 x i8> %x0, <16 x i8> %x1) {
22; CHECK-LABEL: combine_vpermt2var_16i8_identity:
23; CHECK:       # %bb.0:
24; CHECK-NEXT:    ret{{[l|q]}}
25  %res0 = call <16 x i8> @llvm.x86.avx512.maskz.vpermt2var.qi.128(<16 x i8> <i8 15, i8 14, i8 13, i8 12, i8 11, i8 10, i8 9, i8 8, i8 7, i8 6, i8 5, i8 4, i8 3, i8 2, i8 1, i8 0>, <16 x i8> %x0, <16 x i8> %x1, i16 -1)
26  %res1 = call <16 x i8> @llvm.x86.avx512.maskz.vpermt2var.qi.128(<16 x i8> <i8 15, i8 30, i8 13, i8 28, i8 11, i8 26, i8 9, i8 24, i8 7, i8 22, i8 5, i8 20, i8 3, i8 18, i8 1, i8 16>, <16 x i8> %res0, <16 x i8> %res0, i16 -1)
27  ret <16 x i8> %res1
28}
29define <16 x i8> @combine_vpermt2var_16i8_identity_mask(<16 x i8> %x0, <16 x i8> %x1, i16 %m) {
30; X86-LABEL: combine_vpermt2var_16i8_identity_mask:
31; X86:       # %bb.0:
32; X86-NEXT:    vmovdqa {{.*#+}} xmm1 = [15,14,13,12,11,10,9,8,7,6,5,4,3,2,1,0]
33; X86-NEXT:    kmovw {{[0-9]+}}(%esp), %k1
34; X86-NEXT:    vpermt2b %xmm0, %xmm1, %xmm0 {%k1} {z}
35; X86-NEXT:    vpermb %xmm0, %xmm1, %xmm0 {%k1} {z}
36; X86-NEXT:    retl
37;
38; X64-LABEL: combine_vpermt2var_16i8_identity_mask:
39; X64:       # %bb.0:
40; X64-NEXT:    vmovdqa {{.*#+}} xmm1 = [15,14,13,12,11,10,9,8,7,6,5,4,3,2,1,0]
41; X64-NEXT:    kmovd %edi, %k1
42; X64-NEXT:    vpermt2b %xmm0, %xmm1, %xmm0 {%k1} {z}
43; X64-NEXT:    vpermb %xmm0, %xmm1, %xmm0 {%k1} {z}
44; X64-NEXT:    retq
45  %res0 = call <16 x i8> @llvm.x86.avx512.maskz.vpermt2var.qi.128(<16 x i8> <i8 15, i8 14, i8 13, i8 12, i8 11, i8 10, i8 9, i8 8, i8 7, i8 6, i8 5, i8 4, i8 3, i8 2, i8 1, i8 0>, <16 x i8> %x0, <16 x i8> %x1, i16 %m)
46  %res1 = call <16 x i8> @llvm.x86.avx512.maskz.vpermt2var.qi.128(<16 x i8> <i8 15, i8 30, i8 13, i8 28, i8 11, i8 26, i8 9, i8 24, i8 7, i8 22, i8 5, i8 20, i8 3, i8 18, i8 1, i8 16>, <16 x i8> %res0, <16 x i8> %res0, i16 %m)
47  ret <16 x i8> %res1
48}
49
50define <16 x i8> @combine_vpermi2var_16i8_as_vpshufb(<16 x i8> %x0, <16 x i8> %x1) {
51; CHECK-LABEL: combine_vpermi2var_16i8_as_vpshufb:
52; CHECK:       # %bb.0:
53; CHECK-NEXT:    vpshufb {{.*#+}} xmm0 = xmm0[15,0,14,1,13,2,12,3,11,4,10,5,9,6,8,7]
54; CHECK-NEXT:    ret{{[l|q]}}
55  %res0 = call <16 x i8> @llvm.x86.avx512.mask.vpermi2var.qi.128(<16 x i8> %x0, <16 x i8> <i8 15, i8 14, i8 13, i8 12, i8 11, i8 10, i8 9, i8 8, i8 7, i8 6, i8 5, i8 4, i8 3, i8 2, i8 1, i8 0>, <16 x i8> %x1, i16 -1)
56  %res1 = call <16 x i8> @llvm.x86.avx512.mask.vpermi2var.qi.128(<16 x i8> %res0, <16 x i8> <i8 0, i8 15, i8 1, i8 14, i8 2, i8 13, i8 3, i8 12, i8 4, i8 11, i8 5, i8 10, i8 6, i8 9, i8 7, i8 8>, <16 x i8> %res0, i16 -1)
57  ret <16 x i8> %res1
58}
59define <32 x i8> @combine_vpermi2var_32i8_as_vpermb(<32 x i8> %x0, <32 x i8> %x1) {
60; CHECK-LABEL: combine_vpermi2var_32i8_as_vpermb:
61; CHECK:       # %bb.0:
62; CHECK-NEXT:    vbroadcasti128 {{.*#+}} ymm1 = [0,0,1,23,2,22,3,21,4,22,5,21,6,20,7,19,0,0,1,23,2,22,3,21,4,22,5,21,6,20,7,19]
63; CHECK-NEXT:    # ymm1 = mem[0,1,0,1]
64; CHECK-NEXT:    vpermb %ymm0, %ymm1, %ymm0
65; CHECK-NEXT:    ret{{[l|q]}}
66  %res0 = shufflevector <32 x i8> %x0, <32 x i8> %x1, <32 x i32> <i32 0, i32 32, i32 1, i32 33, i32 2, i32 34, i32 3, i32 35, i32 4, i32 36, i32 5, i32 37, i32 6, i32 38, i32 7, i32 39, i32 16, i32 48, i32 17, i32 49, i32 18, i32 50, i32 19, i32 51, i32 20, i32 52, i32 21, i32 53, i32 22, i32 54, i32 23, i32 55>
67  %res1 = call <32 x i8> @llvm.x86.avx512.mask.vpermi2var.qi.256(<32 x i8> %res0, <32 x i8> <i8 0, i8 32, i8 2, i8 30, i8 4, i8 28, i8 6, i8 26, i8 8, i8 28, i8 10, i8 26, i8 12, i8 24, i8 14, i8 22, i8 0, i8 32, i8 2, i8 30, i8 4, i8 28, i8 6, i8 26, i8 8, i8 28, i8 10, i8 26, i8 12, i8 24, i8 14, i8 22>, <32 x i8> %res0, i32 -1)
68  ret <32 x i8> %res1
69}
70define <64 x i8> @combine_vpermi2var_64i8_as_vpermb(<64 x i8> %x0, <64 x i8> %x1) {
71; CHECK-LABEL: combine_vpermi2var_64i8_as_vpermb:
72; CHECK:       # %bb.0:
73; CHECK-NEXT:    vbroadcasti32x4 {{.*#+}} zmm1 = [0,32,1,23,2,22,3,21,4,22,5,21,6,20,7,19,0,32,1,23,2,22,3,21,4,22,5,21,6,20,7,19,0,32,1,23,2,22,3,21,4,22,5,21,6,20,7,19,0,32,1,23,2,22,3,21,4,22,5,21,6,20,7,19]
74; CHECK-NEXT:    # zmm1 = mem[0,1,2,3,0,1,2,3,0,1,2,3,0,1,2,3]
75; CHECK-NEXT:    vpermb %zmm0, %zmm1, %zmm0
76; CHECK-NEXT:    ret{{[l|q]}}
77  %res0 = shufflevector <64 x i8> %x0, <64 x i8> %x1, <64 x i32> <i32 0, i32 64, i32 1, i32 65, i32 2, i32 66, i32 3, i32 67, i32 4, i32 68, i32 5, i32 69, i32 6, i32 70, i32 7, i32 71, i32 16, i32 80, i32 17, i32 81, i32 18, i32 82, i32 19, i32 83, i32 20, i32 84, i32 21, i32 85, i32 22, i32 86, i32 23, i32 87, i32 32, i32 96, i32 33, i32 97, i32 34, i32 98, i32 35, i32 99, i32 36, i32 100, i32 37, i32 101, i32 38, i32 102, i32 39, i32 103, i32 48, i32 112, i32 49, i32 113, i32 50, i32 114, i32 51, i32 115, i32 52, i32 116, i32 53, i32 117, i32 54, i32 118, i32 55, i32 119>
78  %res1 = call <64 x i8> @llvm.x86.avx512.mask.vpermi2var.qi.512(<64 x i8> %res0, <64 x i8> <i8 0, i8 32, i8 2, i8 30, i8 4, i8 28, i8 6, i8 26, i8 8, i8 28, i8 10, i8 26, i8 12, i8 24, i8 14, i8 22, i8 0, i8 32, i8 2, i8 30, i8 4, i8 28, i8 6, i8 26, i8 8, i8 28, i8 10, i8 26, i8 12, i8 24, i8 14, i8 22, i8 0, i8 32, i8 2, i8 30, i8 4, i8 28, i8 6, i8 26, i8 8, i8 28, i8 10, i8 26, i8 12, i8 24, i8 14, i8 22, i8 0, i8 32, i8 2, i8 30, i8 4, i8 28, i8 6, i8 26, i8 8, i8 28, i8 10, i8 26, i8 12, i8 24, i8 14, i8 22>, <64 x i8> %res0, i64 -1)
79  ret <64 x i8> %res1
80}
81
82define <16 x i8> @combine_vpermt2var_vpermi2var_16i8_as_vperm2(<16 x i8> %x0, <16 x i8> %x1) {
83; CHECK-LABEL: combine_vpermt2var_vpermi2var_16i8_as_vperm2:
84; CHECK:       # %bb.0:
85; CHECK-NEXT:    vmovdqa {{.*#+}} xmm2 = [0,31,2,2,4,29,6,27,8,25,10,23,12,21,14,19]
86; CHECK-NEXT:    vpermt2b %xmm1, %xmm2, %xmm0
87; CHECK-NEXT:    ret{{[l|q]}}
88  %res0 = call <16 x i8> @llvm.x86.avx512.mask.vpermi2var.qi.128(<16 x i8> %x0, <16 x i8> <i8 0, i8 31, i8 2, i8 29, i8 4, i8 27, i8 6, i8 25, i8 8, i8 23, i8 10, i8 21, i8 12, i8 19, i8 14, i8 17>, <16 x i8> %x1, i16 -1)
89  %res1 = call <16 x i8> @llvm.x86.avx512.maskz.vpermt2var.qi.128(<16 x i8> <i8 0, i8 17, i8 2, i8 18, i8 4, i8 19, i8 6, i8 21, i8 8, i8 23, i8 10, i8 25, i8 12, i8 27, i8 14, i8 29>, <16 x i8> %res0, <16 x i8> %res0, i16 -1)
90  ret <16 x i8> %res1
91}
92define <32 x i8> @combine_vpermi2var_32i8_as_vperm2(<32 x i8> %x0, <32 x i8> %x1) {
93; CHECK-LABEL: combine_vpermi2var_32i8_as_vperm2:
94; CHECK:       # %bb.0:
95; CHECK-NEXT:    vbroadcasti128 {{.*#+}} ymm2 = [0,32,1,23,2,22,3,21,4,22,5,21,6,20,7,19,0,32,1,23,2,22,3,21,4,22,5,21,6,20,7,19]
96; CHECK-NEXT:    # ymm2 = mem[0,1,0,1]
97; CHECK-NEXT:    vpermt2b %ymm1, %ymm2, %ymm0
98; CHECK-NEXT:    ret{{[l|q]}}
99  %res0 = shufflevector <32 x i8> %x0, <32 x i8> %x1, <32 x i32> <i32 0, i32 32, i32 1, i32 33, i32 2, i32 34, i32 3, i32 35, i32 4, i32 36, i32 5, i32 37, i32 6, i32 38, i32 7, i32 39, i32 16, i32 48, i32 17, i32 49, i32 18, i32 50, i32 19, i32 51, i32 20, i32 52, i32 21, i32 53, i32 22, i32 54, i32 23, i32 55>
100  %res1 = call <32 x i8> @llvm.x86.avx512.mask.vpermi2var.qi.256(<32 x i8> %res0, <32 x i8> <i8 0, i8 32, i8 2, i8 30, i8 4, i8 28, i8 6, i8 26, i8 8, i8 28, i8 10, i8 26, i8 12, i8 24, i8 14, i8 22, i8 0, i8 32, i8 2, i8 30, i8 4, i8 28, i8 6, i8 26, i8 8, i8 28, i8 10, i8 26, i8 12, i8 24, i8 14, i8 22>, <32 x i8> %x1, i32 -1)
101  ret <32 x i8> %res1
102}
103define <64 x i8> @combine_vpermi2var_64i8_as_vperm2(<64 x i8> %x0, <64 x i8> %x1) {
104; CHECK-LABEL: combine_vpermi2var_64i8_as_vperm2:
105; CHECK:       # %bb.0:
106; CHECK-NEXT:    vmovdqa64 {{.*#+}} zmm2 = [0,80,1,70,2,54,3,49,4,36,5,23,6,18,7,5,0,90,1,100,2,110,3,120,4,22,5,21,6,20,7,19,0,32,1,23,2,22,3,21,4,22,5,21,6,20,7,19,0,32,1,23,2,22,3,21,4,22,5,21,6,20,7,19]
107; CHECK-NEXT:    vpermt2b %zmm1, %zmm2, %zmm0
108; CHECK-NEXT:    ret{{[l|q]}}
109  %res0 = shufflevector <64 x i8> %x0, <64 x i8> %x1, <64 x i32> <i32 0, i32 64, i32 1, i32 65, i32 2, i32 66, i32 3, i32 67, i32 4, i32 68, i32 5, i32 69, i32 6, i32 70, i32 7, i32 71, i32 16, i32 80, i32 17, i32 81, i32 18, i32 82, i32 19, i32 83, i32 20, i32 84, i32 21, i32 85, i32 22, i32 86, i32 23, i32 87, i32 32, i32 96, i32 33, i32 97, i32 34, i32 98, i32 35, i32 99, i32 36, i32 100, i32 37, i32 101, i32 38, i32 102, i32 39, i32 103, i32 48, i32 112, i32 49, i32 113, i32 50, i32 114, i32 51, i32 115, i32 52, i32 116, i32 53, i32 117, i32 54, i32 118, i32 55, i32 119>
110  %res1 = call <64 x i8> @llvm.x86.avx512.mask.vpermi2var.qi.512(<64 x i8> %res0, <64 x i8> <i8 0, i8 80, i8 2, i8 70, i8 4, i8 60, i8 6, i8 50, i8 8, i8 40, i8 10, i8 30, i8 12, i8 20, i8 14, i8 10, i8 0, i8 90, i8 2, i8 100, i8 4, i8 110, i8 6, i8 120, i8 8, i8 28, i8 10, i8 26, i8 12, i8 24, i8 14, i8 22, i8 0, i8 32, i8 2, i8 30, i8 4, i8 28, i8 6, i8 26, i8 8, i8 28, i8 10, i8 26, i8 12, i8 24, i8 14, i8 22, i8 0, i8 32, i8 2, i8 30, i8 4, i8 28, i8 6, i8 26, i8 8, i8 28, i8 10, i8 26, i8 12, i8 24, i8 14, i8 22>, <64 x i8> %x1, i64 -1)
111  ret <64 x i8> %res1
112}
113
114define <64 x i8> @combine_permi2q_pshufb_as_permi2d(<8 x i64> %a0, <8 x i64> %a1) {
115; CHECK-LABEL: combine_permi2q_pshufb_as_permi2d:
116; CHECK:       # %bb.0:
117; CHECK-NEXT:    vpmovsxbd {{.*#+}} zmm2 = [14,14,14,14,11,11,11,11,24,24,24,24,29,29,29,29]
118; CHECK-NEXT:    vpermi2d %zmm0, %zmm1, %zmm2
119; CHECK-NEXT:    vmovdqa64 %zmm2, %zmm0
120; CHECK-NEXT:    ret{{[l|q]}}
121  %res0 = shufflevector <8 x i64> %a0, <8 x i64> %a1, <8 x i32> <i32 15, i32 0, i32 13, i32 2, i32 11, i32 4, i32 9, i32 6>
122  %res1 = bitcast <8 x i64> %res0 to <64 x i8>
123  %res2 = call <64 x i8> @llvm.x86.avx512.mask.pshuf.b.512(<64 x i8> %res1, <64 x i8> <i8 0, i8 1, i8 2, i8 3, i8 0, i8 1, i8 2, i8 3, i8 0, i8 1, i8 2, i8 3, i8 0, i8 1, i8 2, i8 3, i8 4, i8 5, i8 6, i8 7, i8 4, i8 5, i8 6, i8 7, i8 4, i8 5, i8 6, i8 7, i8 4, i8 5, i8 6, i8 7, i8 8, i8 9, i8 10, i8 11, i8 8, i8 9, i8 10, i8 11, i8 8, i8 9, i8 10, i8 11, i8 8, i8 9, i8 10, i8 11, i8 12, i8 13, i8 14, i8 15, i8 12, i8 13, i8 14, i8 15, i8 12, i8 13, i8 14, i8 15, i8 12, i8 13, i8 14, i8 15>, <64 x i8> undef, i64 -1)
124  ret <64 x i8> %res2
125}
126define <64 x i8> @combine_permi2q_pshufb_as_permi2d_mask(<8 x i64> %a0, <8 x i64> %a1, i64 %m) {
127; X86-LABEL: combine_permi2q_pshufb_as_permi2d_mask:
128; X86:       # %bb.0:
129; X86-NEXT:    kmovq {{[0-9]+}}(%esp), %k1
130; X86-NEXT:    vmovdqa64 {{.*#+}} zmm2 = [56,57,58,59,56,57,58,59,56,57,58,59,56,57,58,59,44,45,46,47,44,45,46,47,44,45,46,47,44,45,46,47,96,97,98,99,96,97,98,99,96,97,98,99,96,97,98,99,116,117,118,119,116,117,118,119,116,117,118,119,116,117,118,119]
131; X86-NEXT:    vpermi2b %zmm0, %zmm1, %zmm2 {%k1} {z}
132; X86-NEXT:    vmovdqa64 %zmm2, %zmm0
133; X86-NEXT:    retl
134;
135; X64-LABEL: combine_permi2q_pshufb_as_permi2d_mask:
136; X64:       # %bb.0:
137; X64-NEXT:    vmovdqa64 {{.*#+}} zmm2 = [56,57,58,59,56,57,58,59,56,57,58,59,56,57,58,59,44,45,46,47,44,45,46,47,44,45,46,47,44,45,46,47,96,97,98,99,96,97,98,99,96,97,98,99,96,97,98,99,116,117,118,119,116,117,118,119,116,117,118,119,116,117,118,119]
138; X64-NEXT:    kmovq %rdi, %k1
139; X64-NEXT:    vpermi2b %zmm0, %zmm1, %zmm2 {%k1} {z}
140; X64-NEXT:    vmovdqa64 %zmm2, %zmm0
141; X64-NEXT:    retq
142  %res0 = shufflevector <8 x i64> %a0, <8 x i64> %a1, <8 x i32> <i32 15, i32 0, i32 13, i32 2, i32 11, i32 4, i32 9, i32 6>
143  %res1 = bitcast <8 x i64> %res0 to <64 x i8>
144  %res2 = call <64 x i8> @llvm.x86.avx512.mask.pshuf.b.512(<64 x i8> %res1, <64 x i8> <i8 0, i8 1, i8 2, i8 3, i8 0, i8 1, i8 2, i8 3, i8 0, i8 1, i8 2, i8 3, i8 0, i8 1, i8 2, i8 3, i8 4, i8 5, i8 6, i8 7, i8 4, i8 5, i8 6, i8 7, i8 4, i8 5, i8 6, i8 7, i8 4, i8 5, i8 6, i8 7, i8 8, i8 9, i8 10, i8 11, i8 8, i8 9, i8 10, i8 11, i8 8, i8 9, i8 10, i8 11, i8 8, i8 9, i8 10, i8 11, i8 12, i8 13, i8 14, i8 15, i8 12, i8 13, i8 14, i8 15, i8 12, i8 13, i8 14, i8 15, i8 12, i8 13, i8 14, i8 15>, <64 x i8> zeroinitializer, i64 %m)
145  ret <64 x i8> %res2
146}
147
148; PR109272
149define <64 x i8> @combine_vpermi2var_v64i8_with_mask(<64 x i8> %a0, <64 x i8> %a1, <64 x i8> %a2) {
150; CHECK-LABEL: combine_vpermi2var_v64i8_with_mask:
151; CHECK:       # %bb.0:
152; CHECK-NEXT:    vpmovb2m %zmm1, %k0
153; CHECK-NEXT:    knotq %k0, %k1
154; CHECK-NEXT:    vpermt2b %zmm2, %zmm1, %zmm0 {%k1} {z}
155; CHECK-NEXT:    ret{{[l|q]}}
156  %perm = tail call <64 x i8> @llvm.x86.avx512.vpermi2var.qi.512(<64 x i8> %a0, <64 x i8> %a1, <64 x i8> %a2)
157  %cmp = icmp slt <64 x i8> %a1, zeroinitializer
158  %sel = select <64 x i1> %cmp, <64 x i8> zeroinitializer, <64 x i8> %perm
159  ret <64 x i8> %sel
160}
161